/* 滚动条美化 */
.scrollbar-hover::-webkit-scrollbar,
.scrollbar-hover::-webkit-scrollbar-button,
.scrollbar-hover::-webkit-scrollbar-thumb,
.scrollbar-hover::-webkit-scrollbar-track {
    visibility: hidden;
    width: 3px;

    &:hover {
        visibility: visible;
        width: 7px
    }
}

::-webkit-scrollbar {
    width: 7px;
    height: 7px
}

::-webkit-scrollbar-button {
    width: 0;
    height: 0
}

::-webkit-scrollbar-thumb {
    background-color: #b1b1b1;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    border-radius: 5px;
    -webkit-box-shadow: inset 1px 1px 0 rgba(0, 0, 0, .1), inset 0 -1px 0 rgba(0, 0, 0, .07);
    border: 3px solid transparent;
    transition: .5s all
}

::-webkit-scrollbar-thumb:hover {
    background-color: #b1b1b1;
    -webkit-box-shadow: inset 1px 1px 1px rgba(0, 0, 0, .25);
    border: 0 solid transparent
}